Scientific Method

What is an observation?

• Something you measure or detect with your senses.

• The way you feel about something

• An educated guess

• A theory that has been disproved

Tags

NGSS.MS-LS1-8

What is a hypothesis?

• An educated prediction or answer to a testable question

• A random guess

• An observation based on feelings or emotions

• 

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NGSS.HS-PS1-2

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

Tags

NGSS.MS-ESS2-5

This variable in an experiment is the one being changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

The summary at the end of an experiment that explains the results. 

• conclusion
• procedures
• materials
• responding variable

Dependent variable means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured

Tags

NGSS.MS-LS2-1

If you increase the amount of spinach you eat, then you will increase the iron in your blood.

What's the dependent variable?

• the amount of iron in your blood

• the amount of spinach you eat

• the amount of blood you have

• the amount of iron you eat

If you increase the amount of spinach you eat, then you will increase the iron in your blood.

What's the independent variable?

• the amount of iron in your blood

• the amount of spinach you eat

• the amount of blood you have

• the amount of iron you eat

If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?

• The distance to school

• How fast you get to school

• Riding a bike or walking

• I will have more fun riding my bike to school.

Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.

• If I make a paper airplane from notebook paper, then it will fly faster than construction paper.

• Yes, a paper airplane will fly faster if you fly it.

• My hypothesis is that flying my paper airplane will be fun.

• I think the construction paper airplane will fly faster.

Tags

NGSS.MS-ETS1-2

NGSS.MS-PS2-2